00001 /******************************************************************************* 00002 * Copyright (C) 2001-2004 Vintela, Inc. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions are met: 00006 * 00007 * - Redistributions of source code must retain the above copyright notice, 00008 * this list of conditions and the following disclaimer. 00009 * 00010 * - Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 00014 * - Neither the name of Vintela, Inc. nor the names of its 00015 * contributors may be used to endorse or promote products derived from this 00016 * software without specific prior written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS 00022 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00028 * POSSIBILITY OF SUCH DAMAGE. 00029 *******************************************************************************/ 00030 00036 #include "OW_config.h" 00037 #include "OW_NonRecursiveMutex.hpp" 00038 #include "OW_Assertion.hpp" 00039 #include "OW_Exception.hpp" 00040 #include "OW_Format.hpp" 00041 #include "OW_NonRecursiveMutexImpl.hpp" 00042 #include "OW_ExceptionIds.hpp" 00043 00044 #include <cstring> 00045 00046 namespace OW_NAMESPACE 00047 { 00048 00049 OW_DEFINE_EXCEPTION_WITH_ID(Deadlock); 00050 NonRecursiveMutex::NonRecursiveMutex() 00051 { 00052 if (NonRecursiveMutexImpl::createMutex(m_mutex) != 0) 00053 { 00054 OW_THROW(AssertionException, "NonRecursiveMutexImpl::createMutex failed"); 00055 } 00056 } 00057 NonRecursiveMutex::~NonRecursiveMutex() 00058 { 00059 if (NonRecursiveMutexImpl::destroyMutex(m_mutex) == -1) 00060 { 00061 NonRecursiveMutexImpl::releaseMutex(m_mutex); 00062 NonRecursiveMutexImpl::destroyMutex(m_mutex); 00063 } 00064 } 00065 void 00066 NonRecursiveMutex::acquire() 00067 { 00068 int rv = NonRecursiveMutexImpl::acquireMutex(m_mutex); 00069 if (rv != 0) 00070 { 00071 OW_THROW(AssertionException, 00072 "NonRecursiveMutexImpl::acquireMutex returned with error"); 00073 } 00074 } 00075 bool 00076 NonRecursiveMutex::release() 00077 { 00078 int rc = NonRecursiveMutexImpl::releaseMutex(m_mutex); 00079 if (rc != 0) 00080 { 00081 OW_THROW(AssertionException, Format("NonRecursiveMutexImpl::releaseMutex returned with error %1", rc).c_str()); 00082 } 00083 return true; 00084 } 00085 void 00086 NonRecursiveMutex::conditionPreWait(NonRecursiveMutexLockState& state) 00087 { 00088 if (NonRecursiveMutexImpl::conditionPreWait(m_mutex, state) != 0) 00089 { 00090 OW_THROW(AssertionException, "NonRecursiveMutexImpl::releaseMutex returned with error"); 00091 } 00092 } 00093 void 00094 NonRecursiveMutex::conditionPostWait(NonRecursiveMutexLockState& state) 00095 { 00096 if (NonRecursiveMutexImpl::conditionPostWait(m_mutex, state) != 0) 00097 { 00098 OW_THROW(AssertionException, "NonRecursiveMutexImpl::releaseMutex returned with error"); 00099 } 00100 } 00101 00102 } // end namespace OW_NAMESPACE 00103